19.Assume that vegetarians are willing to pay more for broccoli than non-vegetarians. Why don't stores charge vegetarians more? choose thebestanswer

Group of answer choices

It is hard to segregate customers

It would be mean

It would create a black market in front of the store in which the vegetables would be resold at a lower price to vegetarians.

Stores do not have any market power over the price of vegetables.

Predatory pricing is illegal

20.The DeBeers Company exercises monopoly power in the distribution of diamonds. If the company earns economic profits, the price of diamonds per carat will:

Group of answer choices

be equal to the average total cost of diamonds.

be equal to the marginal cost of diamonds.

exceed the price that would be charged in the long-run under competitive conditions.

be lower than the price that would be charged in the long run under competitive conditions.

30.A pure monopoly firm:

Group of answer choices

might lose revenues as it raises price

will always earn economic profit no matter what the level of demand for its product.

faces a perfectly elastic demand curve for its product.

will always be able to earn more profit when it raises price.

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31.Firms in monopolistic competition and perfect competition typically

Group of answer choices

earn zero economic profit in the long run

are price takers

produce identical products

individually face a downward-sloping demand curve

All of the above